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         <p style="color: #bbb;">by <a href="https://github.com/haozhu233" class="muted-link">@haozhu233</a> under a MIT License. </p>
         <p style="color: #bbb; font-size: 90%; margin-top: -25px;">View on <a href="https://github.com/haozhu233/kableExtra" class="muted-link">Github</a> and <a href="http://cran.r-project.org/package=kableExtra" class="muted-link">CRAN</a></p>
         <p style="color: #bbb; font-size: 90%; margin-top: -25px;"><a href="https://github.com/haozhu233/kableExtra/blob/master/inst/NEWS.md" class="muted-link">Recent Updates</a></p>
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+          <strong style="color: gray; font-size: 80%; ">Acknowledgement</strong>
+          <p style="color: #bbb; font-size: 70%; ">I would like to thank colleagues at <a href='https://www.instituteforagingresearch.org/' class="normal-link">Hebrew SeniorLife Institute for Aging Research</a> and <a href='http://pepper.bwh.harvard.edu/' class="normal-link">Boston Pepper Center</a>. I also would like to appreciate the mentorship from <a href='' class="normal-link">Tom Travison</a> and all the efforts from the open source community, which help this package keep getting better. </p>
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         <img src="img/screenshot.png" style="width:100%;"/>